| Date | Form | Description | Docs | XBRL | Pages |
| 08/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/22/12 | 3/A | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/06/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 07/26/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 |